OJ Board

Could anyone tell me what is wrong with my program,
or just give me a test case for which my program fails?
I'm getting WA and don't know why..


#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(void)
{
char str[10];
int s, t, T, k, K, num, head, tail, X, *queue, *exists ...